The antonyms for the phrase "more purifying" could include: less cleansing, more polluted or contaminated, dirtier, more corrupt, less sanctifying, or less detoxifying. These terms describe the opposite of a clean, fresh, or wholesome state, and suggest a level of impurity or pollution. In contrast to the benefits of purification, the antonyms carry connotations of negativity and uncleanliness. It is important to note that the effectiveness of purifying or cleansing varies depending on the methods used and the context in which it is applied. The opposite of purifying could be harmful or undesirable, emphasizing the importance of maintaining a healthy and clean environment.